A good scientist values criticism almost higher than friendship: no, in science criticism is the height and measure of friendship.

- Francis Crick

It is one of the more striking generalizations of biochemistry - which surprisingly is hardly ever mentioned in the biochemical textbooks - that the …

- Francis Crick

Almost all aspects of life are engineered at the molecular level, and without understanding molecules we can only have a very sketchy understanding o…

- Francis Crick

Evolution is cleverer than you are.

- Francis Crick

It is essential to understand our brains in some detail if we are to assess correctly our place in this vast and complicated universe we see all arou…

- Francis Crick

Biologists must constantly keep in mind that what they see was not designed, but rather evolved.

- Francis Crick

You’re nothing but a pack of neurons.

- Francis Crick

Chance is the only source of true novelty.

- Francis Crick

A theory should not attempt to explain all the facts, because some of the facts are wrong

- Francis Crick